Cutter



O. L. SCALBOM.

CUTTER.

APPLICATION FILED APR.27. 1921.

Patented Jan. 17, 1922.

2 SHEETS-SHEET I.

0. ,L. SCALBO M.

CUTTER.

APPLICATION FILED APR-27, 1921'.

Patented Jan. 17, 1922.

2 SHEETS-SHEET 2.

UNITED STATES PATENT OFFiCE.

OSCAR L. SCALBOM, OF GLENVIEW, ILLINOIS.

CUTTER.

To all 16720771 it may concern:

Be it known that I, OSCAR L. SoALBoM, a citizen of the United States, residing at Glenview, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Cutters, of whlch the following is a specification.

This invention relates to improvements 1n cutters particularly adapted though not necessarily limited in its use for pointlng and re-pointing the bamboo reproducer-needles used in connection with sound reproducing machines, and one of the objects of the present invention is to provide an improved hand device of this character which will be of a simple, durable, cheap, and knockdown construction, the respective parts being pivotally connected together in a manner as to dispense with the usual permanently secured pivot pins between the parts, and at the same time the pivotally connected parts may be readily connected and disconnected to assemble and dis-assemble the device, the points of connection between the respective parts constituting the pivot bearings therefor.

To the attainment of these ends and the accomplishment of other new and useful objects as will appear, the invention consists in the features of novelty in substantially the construction, combination and arrangement of the several parts hereinafter more fully described and claimed and shown in the accompanying drawings illustrating this invention and in which- Figure 1 is an enlarged top plan view.

nigure 2 is a longitudinal sectional view taken on line 2-2, Figure 1.

Figure 3 is a side elevation showing the parts unfolded.

Figure 1 is a detail perspective view actuating member.

Figure 5 is a detail perspective view base member.

Figure 6 is a detail perspective view cutter carrying member.

Figure T is a detail perspective view spring.

Referringmore particularly to the drawings the numeral 10 designates generally a. base member which maybe constructed of any-suitable sheet material and of any desired size and configuration. The side edges of the member 10 are deflected laterally to form side walls 11., and the ends are also de fiected laterally to form the end walls 12 and of the of the of the of the Serial No. 464,953.

13, and these walls 11, 12 and 18'are preferably disconnected from each other along their edges so that the side walls 11 will'have a natural spring tendency.

The member 10 between the walls is upstruck as at 14 to form anoverhanging 11p on each side of the cutter portion 17. Se-

cured also to the member 10 adjacent the cutter 16, is a support and guide 19, having a.

groove 20 therein and which groove is'arranged in alinement with the space between the portions 18 and preferably at an angle to the cutter 17 ,to guide the fibre needle to the cutter 17 A cutter carrying element designated gen erally by the reference numeral 21, is provided with spaced spring'arms 22, one of these arms'being provided with an aperture 23, adjacent the free end thereof and the other with a similar aperture 2 1. The openin 23 in the arm 22 is adapted to receive a lug or projection 25 on one of the walls 11, of the member 10, while the laterally projecting lug 26 on the side wall 11 is adapted to be seated in the aperture 24, in the other wall 11, so as to pivot-ally connect the cutter carrying element 21 with the base member. Carried by the free end of the element 21'is a head 2?, which is hollow as shown more clearly in Figure 2, and pivotally connected to this head is a cutter 28 adapted to freely swing about the oivot 29, and the length of the element 21 is such that the cutter element 28 may. be brought into eo-operative relation with the cutter 17 when. the element 21 moved about its pi vot in one direction.

Interposed between the 9161116111721 and the member 10 is a leaf spring 30, the extremity 31 thereof being deflected with respect to the body portion of the spring and so shaped as to be seated under the overhanging lip 14 of the member 10. The extremity 31 of the spring 30 is also provided with an aperture 32, adapted to receive the lug or'projection 15 on the member 10, so that when the end 31 is inserted under the lip 14, the lug 15 and aperture 32 will hold the spring removably anchored. The free extremity 33 of the spring is adapt- Specifioation of Letters Patent. Patented Jan. 17, 1922.

Application filed April 27, 1921.

ed to contact with the lower face of the element 21 and tends normally to separate the cutters 28-17, when the element 21 is folded with respect to the member 10.

To insure the closest possible contact be tween the cutter 28 and the cutter 17 when the element 21 is actuated by an actuating element to be hereinafter described, not only to insure the formation of a clean point on the needle but also that such point may be slightly tapered and of exceeding fineness, there is provided a spring 34 to be inserted in the head 27, under compression, the free end of said spring exerting a constant pressure on the cutter 28. This will cause the outer face of the cutter 28 to engage and move along the portions 18 the element 21 is rocked about its pivot.

Carried by the element 22 is a stop 35, which moves with the element, before, during and after the cutting operation. In the normal position of the cutter 28 with respect to the cutter 17, the stop extends across the space between the portions 18 and also across the guide 20 in the support 19, so as to position the needle to be cut. When the element 21 is depressed the stop 35 will also be depressed and moved out of the way to permit the cutting operation, and the portion cut from the needle will fall into the box like body portion 10. 7

An actuating element 36 is provided and is, of any desired size and configuration, preferably constructed of sheet material shaped to form spaced arms 37-38, and the material of which the element 36 is constructed is of a natural spring tendency. Portions 39 of the element 36 are shaped to form cams or lugs which depend therefrom for a purpose to be set forth. extremities of the arms 37-38 are provided with inwardly projecting lugs 40, adapted to be respectively seated in the apertures 11 in the side walls 11 of the member 10, adjacent the end 13, to form pivots about which the actuating element 36 is adapted to be moved.

When the element 21 is folded with respect to the member 10, and the spring 30 depressed, the actuating element 36 may be folded over the free extremity of the element 21 so that the head 27 will project between the arms 37-438 of the actuating element 36, and the cams or projections 39 on the element 36 are adapted to engage suitable shoulders 42, on the head 27 to lock the elements 21 and 36 against unfolding movement with respect to the member 10. Then in this position the free extremity of the actuating element 36 will be disposed adjacent the pivots of the element 21, while the free extremity of the element 21 will be disposed adjacent the pivots of the element 36.

In use andwhen the parts are in the posi- The tion shown in Figure 2, the needle is placed upon the support 19, within the groove 20, until the end thereof abuts the stop 35. The needle is then held in this position with one hand while the element 36 is rocked about its pivots l0, by depressing the free end of the element. During this operation the cams or projections 39 will move upon the upper surface of the element 21 to swing the latter about its pivots 23-24-, against the stress of the spring 30, to cause the stop 35 to be lowered and the cutter 28 to be brought into co-operative relation with the cutter 17, to remove a portion of the needle to point the latter. hen the element 36 is released, the spring 30 will return the parts to the position shown in Figure 2.

With this improved construction it will be manifest that the parts may be readily disassembled and assembled, and the stationary or rivet pivots are dispensed with. In order to knock down the structure, and assuming the parts to be in the position shown in Figures 1 and 2, the element 21 is depressed against the stress of the spring 30 by exerting pressure upon the head 27 to depress the element 21 sufficiently to per mit the actuating element 36 to be swung about its pivots and over the head 27 to the position shown in Figure 3. The element 21 may then be swung about its pivot to the position shown in Figure 3, after which the spring 30 may be readily removed and each of the elements 21-36 readily detached from the member 10, by exerting pressure upon the respective spring arms 22 and 37 38 to cause the interengaging parts which form the respective pivots to become di engaged.

Obviously the parts may be as readily sembled when desired.

WVi'th this improved construction it will be manifest that a simple, light and durable structure of a knock down construction may be produced and which structure will. be an extremely simple and good manufacturing proposition.

Obviously many changes may be made in the details of construction and in the combination and arrangement of the several parts within the scope of the claims, without departing from the spirit of this invention.

lVhat is claimed as new is 1. A cutter of the character described embodying two elements, means detachably connecting the elements together, the said means embodying interengaging portions on the elements and constituting a pivot between the elements, a cutter carried by each of the elements and adapted to be brought into co-operative relation, aspring interposed between the two elements and tending normally to separate the cutters, and means securing the spring in position for free removal when the said elem nts are relatively moved in one direction about the said pivot.

2. A cutter of the character described embodying two elements, one of said elements embodying spaced spring like portions, interengaging means between the extremities of the said portions and the other element for pivotally connecting the elements to gether, the said spring like portions tending normally to hold the said interengaging means in freely detachable operative relation, afreely detachable spring disposed between the said elements, and a cutter carried by each of the elements and adapted to be brought into co-operative relation against the stress of the said spring.

3. A cutter of the character described em bodying two elements, portions of the elements being shaped to interengage to pivot ally connect the elements in freely det chable operative relation, a freely detachable spring disposed between the said elements, and a cutter carried by each of the elements and adapted to be brought into co-operative relation against the stress of the said spring, one of the said elements being shaped to form a box like receptacle adapted to catch the portion cut from an article by the said cutters.

a. A cutter ot' the character described embodying "two elements, interengaging means between the elements for pivotally connecting them, the said means being freely sepa rable and being normally held operatively connected by the spring tendency of a portion of one of the said elements, a cutter carried by each of the elements remote from the pivot and adapted to be brought into cooperative relation, and elastic means connected to one of the elements for tree detachment therefrom and disposed between the elements, the said elastic means tending normally to separate the said cutters.

A cutter ot the character described embodvin two elements interen a ing means b 7 b 21 p between the elements for pivotally connecting them, the said means being freely separable and being normally held operatively connected by the spring tendency of a portion of one of the said elements, a cutter carried by each of the elements remote from the pivot and adapted to be brought into co operative relation. a leaf like spring element, and a shoulder-carried by one of the elements, one end of the spring engaging said shoulder for tree removal, the tree end oi the spring engaging the other element and tending normally t separate the elements.

6. A cutter of the character described embody ing two elements, interengaging means between the elements for pivotally connecting them, the said means being freely separable and being normally held operatively connected by the spring tendency of a portion of one of the said elements, a cutter car ried by each of the elements remote from the pivot and adapted to be brought into so operative relation, a leaf like spring element, and a shoulder carried by one of the elements, one end of the spring engaging the shoulder for tree removal, the free end of the spring engaging the other element and tending normally to separate the elements, the said spring and the element to wnich it is connected being provided one with a lug and the other with an aperture to receive the lug, said lug and apertureco-operati'ng with the shoulder to assist in removably holding the spring in position.

.7. A cutter of the character described enibodying two elements, interengaging means on the elements for detachably and pivotally connecting the elements together, a cutter carried by each of the elements and adapted to be brought into (Jo-operative relation, elastic means interposed between the elements and tending normally to separate the said cutters, an actuating element, and interengaging means between the said actuating eiementand one of the first. recited elements for detachably and pivotally connecting the last two recited elements, the said operating element overlapping the other of the first recited elements and operable thereupon to cause the cutters to actuate.

8. A cutter of the character described embodying two elements, interengaging means on the elements for detachably and pivotally connecting the elements together, a cutter carried by each of the elements and adapted to be brought into co-operativerelation, elastic means interposed between the elements and tending normally to separate the said cutters, an actuating element, interengaging means between the said actuating element and one of the first recited elements for detachably and pivotally connecting the last two recited elements, the said operating element overlapping the other of the. first recited elements and operable thereupon to cause the cutters to actuate, and cooperating means carried by the said actuating element and one of the first recited elements and operating to limit the relative separating movement 01' the said cutters.

9. .5 cutter of the character described embodying two elements, interengaging means on the elements for detachably and pivotally connecting the elements together, a. cutter carried by each of the elements and adapted to be brought into (to-operative relation, elastic means interposed between the elements and tending normally to separate the said cutters, an actuating element, and interengaging means between the said actuating element and one of the first recited elements for detachably and pivotally connecting the last two recited elements, the said operating element overlapping the other of the first recited elements and operable thereupon to embodying cause thecutters to actuate, a portion of the said actuating means being shaped to form a stop to limit the relative sepa 'ating move more oi. the said cutters.

10. A cutter of: the character described two elements, interengaging means on the elements for detachably and pivotally connecting the elements together,

.a cutter carried by each of the elements and adapted to be brought into co-operatlve rela- ,inally held connected by thespring oi the material of the respective parts, the said operating element overlapping the other of the first recited elements and operable thereupon to cause the cutters to actuate.

11. A cutter of the character described embodying a base like member, a cutter carrying element, an aetuatingelement, both of said elements being pivotally and freely detachably connected by one end to the said member and at opposite ends of the latter, a cutter carried by the said member and with which last recited cutter the first recited cutter co-opcrates, the saidelements being adapted to overlap one another to cause the free extremity of each element to stand adj accnt the pivot of the other element, and a spring interposed between-the said member and the next adjacent element.

12. A cutter of the character dcscrit :d embodyinga base like member, a cutter carrying element, an actuating element, both of said'elelneuts being pivotallyand freely detachably connected by one end to the said member and at opposite ends of thelatter, a cutter carried by the said member and with which last recited cutter the first recited cutter co-operates, the said elements being adapted to overlap one another to cause the free extremity of each element to stand adjacent the pivot oil the other element, a leaf spring interposed between the said member and the next adjacent element, and a shoulder carried by one of the parts and with which shoulder one end of the spring cooperates for anchoring the spring for tree removal when the parts with which the spring co-operates are separated.

13. A cutter of the character described em- 1 ,aoscae bodying a base like member, a cutter carrying element, an actuating element, both of said elements being pivotally connected by one end to opposite ends of the said member and for free detachment therefrom, a cutter.

carried by the said member and with which cutter the first recited cutter co-operates,

the free end of the actuating element over gaging means between the spring and one oi the parts for assisting in holding the spring in position.

1.4;. A cutter of the character described embodying a base member, a cutter carrying element, a cutter thereon, an actuating element, freely detachable and spring controlled interengaging means for pivotally connecting one end of each of the said elements with the said member, one of said elements being foldable over the other element, a cutter carried by the base member and with which last recited cutter the first recited cutter co-operates, and elastic means disposed intermediate the saidmember and the cutter carrying element and against the stress of which elastic means the said cutter carrying element is adapted to be actuated by the said actuating element.

1.3. A cutter of the character described emlmdying a base member, acutter carrying element, a cutter thercoinan actuating element, freely detachable and spring controlled interengaging means for pivotally connecting one end of each of the said elements with the said member, one 01 said elements being foldable over the other element, a cutter carried by the base member and with which last recited cutter the first recited cutter co-operates, a leaf like spring element interposed between the base member and the cutter carrying element, and means michoring the spring for tree removal When the said elements are unfolded with respect to the said member.

In testimony whereof I have signed my name to this specification, on this th day of April, A. D. 1921.

OSCAR L. soALsoM. 

